feat: wireguard test

modules/config/devices/config/ceres.nix

@@ -28,7 +28,7 @@ in
     options = ownerExclusiveReadWriteMask;
   };
   wireguard = {
-    ip0 = "10.100.0.1";
+    ip0 = "10.0.0.1";
   };
   storage0 = {
     mount = "/mnt/media/${ceresStorageDriveName}";

modules/config/devices/config/mars.nix

@@ -19,7 +19,7 @@ in
     options = ownerWriteOthersReadMask;
   };
   wireguard = {
-    ip0 = "10.100.0.2";
+    ip0 = "10.0.0.2";
   };
   storage0 = {
     mount = "/mnt/media/games";

modules/config/instances/config/wireGuard.nix

@@ -14,7 +14,7 @@ in
     path0 = "${sopsPath}/${name}";
   };
   ports = {
-    port0 = 51820;
+    port0 = 53;
     port1 = 51821;
   };
 }

modules/home/cli/utilities/ipTables/default.nix

@@ -0,0 +1,11 @@
+{
+  pkgs,
+  ...
+}:
+{
+  home.packages = builtins.attrValues {
+    inherit (pkgs)
+      iptables
+      ;
+  };
+}

modules/nixos/default.nix

@@ -18,7 +18,6 @@ in
           wayland
           searx
           flatpak
-          wireGuard
           ;
       };
     };
@@ -33,7 +32,6 @@ in
           sddm
           flatpak
           espanso
-          wireGuard
           glance
           ;
       };
@@ -44,7 +42,6 @@ in
         inherit (modules)
           plasma
           sddm
-          wireGuard
           ;
       };
     };
@@ -70,15 +67,6 @@ in
       };
     };
 
-    mantle = {
-      imports = builtins.attrValues {
-        inherit (modules)
-          sops
-          xserver
-          ;
-      };
-    };
-
     crust = {
       imports = builtins.attrValues {
         inherit (modules)
@@ -88,6 +76,15 @@ in
       };
     };
 
+    mantle = {
+      imports = builtins.attrValues {
+        inherit (modules)
+          sops
+          xserver
+          ;
+      };
+    };
+
     core = {
       imports = builtins.attrValues {
         inherit (modules)

systems/ceres/config/wireguard.nix

@@ -1,22 +1,25 @@
-{ config, flake, ... }:
+{
+  config,
+  flake,
+  pkgs,
+  ...
+}:
 let
   inherit (flake.config.services.instances) wireGuard;
   inherit (flake.config.machines.devices) mars ceres;
   service = wireGuard;
+  hostIP = "${ceres.wireguard.ip0}/24";
 in
 {
   networking = {
     firewall = {
+      allowedTCPPorts = [
+        service.ports.port0
+      ];
       allowedUDPPorts = [
-        53
         service.ports.port0
         service.ports.port1
       ];
-      interfaces.wg0.allowedTCPPorts = [
-        80
-        443
-        8888
-      ];
     };
 
     nat = {
@@ -26,15 +29,36 @@ in
       internalInterfaces = [ "wg0" ];
     };
 
-    wireguard.interfaces = {
+    wg-quick.interfaces = {
       wg0 = {
-        ips = [ "${ceres.wireguard.ip0}/24" ];
+        address = [
+          hostIP
+          "fdc9:281f:04d7:9ee9::1/64"
+        ];
         listenPort = service.ports.port1;
         privateKeyFile = config.sops.secrets."${service.name}-private".path;
+        postUp = ''
+          ${pkgs.iptables}/bin/iptables -A FORWARD -i wg0 -j ACCEPT
+          ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s ${hostIP} -o eth0 -j MASQUERADE
+          ${pkgs.iptables}/bin/ip6tables -A FORWARD -i wg0 -j ACCEPT
+          ${pkgs.iptables}/bin/ip6tables -t nat -A POSTROUTING -s fdc9:281f:04d7:9ee9::1/64 -o eth0 -j MASQUERADE
+        '';
+
+        # Undo the above
+        preDown = ''
+          ${pkgs.iptables}/bin/iptables -D FORWARD -i wg0 -j ACCEPT
+          ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s ${hostIP} -o eth0 -j MASQUERADE
+          ${pkgs.iptables}/bin/ip6tables -D FORWARD -i wg0 -j ACCEPT
+          ${pkgs.iptables}/bin/ip6tables -t nat -D POSTROUTING -s fdc9:281f:04d7:9ee9::1/64 -o eth0 -j MASQUERADE
+        '';
         peers = [
           {
             publicKey = "9zfRPxkxTLHM9tABC8lIaDMrzdjcF2l1mtG82uqGKUQ=";
-            allowedIPs = [ "${mars.wireguard.ip0}/32" ];
+            presharedKeyFile = config.sops.secrets."${service.name}-mars-public".path;
+            allowedIPs = [
+              "${mars.wireguard.ip0}/32"
+              "fdc9:281f:04d7:9ee9::2/128"
+            ];
           }
         ];
       };
@@ -59,6 +83,7 @@ in
           [
             "private"
             "public"
+            "mars-public"
           ]
       );
     };

systems/mars/config/wireguard.nix

@@ -5,17 +5,24 @@ let
   service = wireGuard;
 in
 {
-  networking = {
+  networking.wg-quick.interfaces = {
-    wireguard.interfaces = {
     wg0 = {
-        ips = [ "${mars.wireguard.ip0}/24" ];
+      address = [
+        "${mars.wireguard.ip0}/24"
+        "fdc9:281f:04d7:9ee9::2/64"
+      ];
+      dns = [
+        "${ceres.wireguard.ip0}"
+        "fdc9:281f:04d7:9ee9::1"
+      ];
       privateKeyFile = config.sops.secrets."${service.name}-mars-private".path;
       peers = [
         {
           publicKey = "fs58+Kz+eG9qAXvvMB2NkW+wa88yP61uam4HHWaBJVw=";
+          presharedKeyFile = config.sops.secrets."${service.name}-public".path;
           allowedIPs = [
-              "${ceres.wireguard.ip0}/32"
+            "0.0.0.0/0"
-              "192.168.1.0/24"
+            "::/0"
           ];
           endpoint = "${web.remotehost.address0}:${builtins.toString service.ports.port1}";
           persistentKeepalive = 25;
@@ -23,7 +30,6 @@ in
       ];
     };
   };
-  };
 
   sops =
     let
@@ -43,6 +49,7 @@ in
           [
             "mars-private"
             "mars-public"
+            "public"
           ]
       );
     };